void put_flush_packet(ByteIOContext *s);
+
+/**
+ * Reads size bytes from ByteIOContext into buf.
+ * @returns number of bytes read or AVERROR
+ */
int get_buffer(ByteIOContext *s, unsigned char *buf, int size);
+
+/**
+ * Reads size bytes from ByteIOContext into buf.
+ * This reads at most 1 packet. If thats not enough fewer bytes will be
+ * returned.
+ * @returns number of bytes read or AVERROR
+ */
int get_partial_buffer(ByteIOContext *s, unsigned char *buf, int size);
/** @note return 0 if EOF, so you cannot use it if EOF handling is